diff --git a/lib/model/search_history.dart b/lib/model/search_history.dart
index 43b2b3ed..127b7546 100644
--- a/lib/model/search_history.dart
+++ b/lib/model/search_history.dart
@@ -96,7 +96,6 @@ class SearchHistoryList {
 
   @override
   String toString() {
-    // TODO: implement toString
     return this.toJson();
   }
 }
diff --git a/lib/widgets/components/Bar/TabBar/index.dart b/lib/widgets/components/Bar/TabBar/index.dart
index 65bf03e5..f4c16731 100644
--- a/lib/widgets/components/Bar/TabBar/index.dart
+++ b/lib/widgets/components/Bar/TabBar/index.dart
@@ -56,7 +56,7 @@ class _DemoState extends State<Demo> {
   Widget build(BuildContext context) {
     return WidgetDemo(
       title: 'TabBar',
-      codeUrl: 'components/Bar/TabBar/index.dart',
+      codeUrl: 'components/Bar/TabBar/demo.dart',
       contentList: [
         _Text0,
         TabBarDemo()
diff --git a/lib/widgets/elements/Form/Button/DropdownButton/index.dart b/lib/widgets/elements/Form/Button/DropdownButton/index.dart
index 1c0759dc..f6d1ae8a 100644
--- a/lib/widgets/elements/Form/Button/DropdownButton/index.dart
+++ b/lib/widgets/elements/Form/Button/DropdownButton/index.dart
@@ -7,8 +7,8 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/DropdownButton-class.html
 
 import 'package:flutter/material.dart';
-import 'package:flutter_go/components/widget_demo.dart';
 
+import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart' as dropdownButton;
 
 const String _dropdownText0 =
diff --git a/lib/widgets/elements/Form/Button/FlatButton/demo.dart b/lib/widgets/elements/Form/Button/FlatButton/demo.dart
index 88c6b62f..94cbcb50 100644
--- a/lib/widgets/elements/Form/Button/FlatButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/FlatButton/demo.dart
@@ -6,6 +6,7 @@
 /// target: FlatButton 的示例
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
 
 // FlatButton 默认按钮的实例
diff --git a/lib/widgets/elements/Form/Button/FloatingActionButton/demo.dart b/lib/widgets/elements/Form/Button/FloatingActionButton/demo.dart
index 93f87a0d..95303b83 100644
--- a/lib/widgets/elements/Form/Button/FloatingActionButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/FloatingActionButton/demo.dart
@@ -4,10 +4,11 @@
 /// Time: 上午12:03
 /// email: zhu.yan@alibaba-inc.com
 /// target: OutlineButton 的示例
+
 import 'package:flutter/material.dart';
 
-/// OutlineButton 默认按钮的实例
-/// isDisabled:是否是禁用，isDisabled 默认为true
+// OutlineButton 默认按钮的实例
+// isDisabled:是否是禁用，isDisabled 默认为true
 class FloatingActionButtonDefault extends StatelessWidget {
   final bool isDisabled;
 
@@ -26,7 +27,7 @@ class FloatingActionButtonDefault extends StatelessWidget {
   }
 }
 
-/// OutlineButton 自定义的实例
+// OutlineButton 自定义的实例
 class FloatingActionButtonCustom extends StatelessWidget {
   final String txt;
   final Color color;
@@ -76,7 +77,7 @@ class FloatingActionButtonCustom extends StatelessWidget {
   }
 }
 
-/// OutlineButton 自定义的实例2
+// OutlineButton 自定义的实例2
 class FloatingActionButtonCustom2 extends StatelessWidget {
   final String txt;
   final Color color;
diff --git a/lib/widgets/elements/Form/Button/FloatingActionButton/index.dart b/lib/widgets/elements/Form/Button/FloatingActionButton/index.dart
index 08543237..71e5b8ea 100644
--- a/lib/widgets/elements/Form/Button/FloatingActionButton/index.dart
+++ b/lib/widgets/elements/Form/Button/FloatingActionButton/index.dart
@@ -7,10 +7,10 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/FloatingActionButton-class.html
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
 
 import 'package:flutter_go/components/widget_demo.dart';
-
 import './demo.dart' as floatingActionButton;
 
 
diff --git a/lib/widgets/elements/Form/Button/IconButton/demo.dart b/lib/widgets/elements/Form/Button/IconButton/demo.dart
index 5f626000..69915c84 100644
--- a/lib/widgets/elements/Form/Button/IconButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/IconButton/demo.dart
@@ -14,8 +14,8 @@ import 'package:flutter_go/resources/icon_names.dart';
 final  int len = IconNames.names.length;
 
 
-/// IconButton 默认按钮的实例
-/// isDisabled:是否是禁用，isDisabled 默认为true
+// IconButton 默认按钮的实例
+// isDisabled:是否是禁用，isDisabled 默认为true
 class IconButtonDefault extends StatelessWidget {
   final bool isDisabled;
 
@@ -33,7 +33,7 @@ class IconButtonDefault extends StatelessWidget {
   }
 }
 
-/// IconButton 自定义的实例
+// IconButton 自定义的实例
 class IconButtonCustom extends StatelessWidget {
   final String txt;
   final Color color;
diff --git a/lib/widgets/elements/Form/Button/IconButton/index.dart b/lib/widgets/elements/Form/Button/IconButton/index.dart
index 41f7ce9f..e15147df 100644
--- a/lib/widgets/elements/Form/Button/IconButton/index.dart
+++ b/lib/widgets/elements/Form/Button/IconButton/index.dart
@@ -10,6 +10,7 @@
 import 'dart:math';
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as iconButton;
 
diff --git a/lib/widgets/elements/Form/Button/OutlineButton/demo.dart b/lib/widgets/elements/Form/Button/OutlineButton/demo.dart
index 37cd34a8..5f169f1c 100644
--- a/lib/widgets/elements/Form/Button/OutlineButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/OutlineButton/demo.dart
@@ -6,6 +6,7 @@
 /// target: OutlineButton 的示例
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
 
 // OutlineButton 默认按钮的实例
diff --git a/lib/widgets/elements/Form/Button/OutlineButton/index.dart b/lib/widgets/elements/Form/Button/OutlineButton/index.dart
index f4030acd..eb31d1e6 100644
--- a/lib/widgets/elements/Form/Button/OutlineButton/index.dart
+++ b/lib/widgets/elements/Form/Button/OutlineButton/index.dart
@@ -7,7 +7,9 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/OutlineButton-class.html
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as outlineButton;
 
diff --git a/lib/widgets/elements/Form/Button/PopupMenuButton/index.dart b/lib/widgets/elements/Form/Button/PopupMenuButton/index.dart
index 0ee61343..a40e704d 100644
--- a/lib/widgets/elements/Form/Button/PopupMenuButton/index.dart
+++ b/lib/widgets/elements/Form/Button/PopupMenuButton/index.dart
@@ -7,6 +7,7 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/PopupMenuButton-class.html
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as popupMenuButton;
 
diff --git a/lib/widgets/elements/Form/Button/RaisedButton/demo.dart b/lib/widgets/elements/Form/Button/RaisedButton/demo.dart
index 91d1a0da..b386be84 100644
--- a/lib/widgets/elements/Form/Button/RaisedButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/RaisedButton/demo.dart
@@ -8,8 +8,8 @@
 import 'dart:math';
 import 'package:flutter/material.dart';
 
-/// RaisedButton 默认按钮的实例
-/// isDisabled:是否是禁用，isDisabled 默认为true
+// RaisedButton 默认按钮的实例
+// isDisabled:是否是禁用，isDisabled 默认为true
 class RaisedButtonDefault extends StatelessWidget {
   final bool isDisabled;
 
@@ -26,9 +26,9 @@ class RaisedButtonDefault extends StatelessWidget {
   }
 }
 
-/// RaisedButton.icon 默认按钮的实例
-/// Create a text button from a pair of widgets that serve as the button's icon and label
-/// isDisabled:是否是禁用
+// RaisedButton.icon 默认按钮的实例
+// Create a text button from a pair of widgets that serve as the button's icon and label
+// isDisabled:是否是禁用
 class RaisedButtonIconDefault extends StatelessWidget {
   final bool isDisabled;
   final IconData icon;
@@ -59,7 +59,7 @@ class RaisedButtonIconDefault extends StatelessWidget {
 }
 
 
-/// RaisedButton 自定义的实例
+// RaisedButton 自定义的实例
 class RaisedButtonCustom extends StatelessWidget {
   final String txt;
   final Color color;
diff --git a/lib/widgets/elements/Form/Button/RaisedButton/index.dart b/lib/widgets/elements/Form/Button/RaisedButton/index.dart
index 71605068..87caba25 100644
--- a/lib/widgets/elements/Form/Button/RaisedButton/index.dart
+++ b/lib/widgets/elements/Form/Button/RaisedButton/index.dart
@@ -7,7 +7,9 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/RaisedButton-class.html
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as raisedButton;
 
diff --git a/lib/widgets/elements/Form/Button/RawMaterialButton/demo.dart b/lib/widgets/elements/Form/Button/RawMaterialButton/demo.dart
index bc66568f..a763504c 100644
--- a/lib/widgets/elements/Form/Button/RawMaterialButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/RawMaterialButton/demo.dart
@@ -6,6 +6,7 @@
 /// target: RawMaterialButton 的示例
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
 
 // RawMaterialButton 默认按钮的实例
diff --git a/lib/widgets/elements/Form/Button/RawMaterialButton/index.dart b/lib/widgets/elements/Form/Button/RawMaterialButton/index.dart
index fe6f43a5..b17bf1fa 100644
--- a/lib/widgets/elements/Form/Button/RawMaterialButton/index.dart
+++ b/lib/widgets/elements/Form/Button/RawMaterialButton/index.dart
@@ -7,7 +7,9 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/RawMaterialButton-class.html
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as rawMaterialButton;
 
diff --git a/lib/widgets/elements/Form/Button/index.dart b/lib/widgets/elements/Form/Button/index.dart
index cdcff0bc..b5cda7e7 100644
--- a/lib/widgets/elements/Form/Button/index.dart
+++ b/lib/widgets/elements/Form/Button/index.dart
@@ -1,6 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import 'FlatButton/index.dart' as FlatButton;
 import 'RaisedButton/index.dart' as RaisedButton;
 import 'OutlineButton/index.dart' as OutlineButton;
diff --git a/lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart b/lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
index bb6ee71f..7cd4037f 100644
--- a/lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
+++ b/lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
@@ -6,6 +6,7 @@
 /// target: Checkbox 的示例
 
 import 'dart:math';
+
 import 'package:flutter/material.dart';
 
 /// Checkbox 默认的实例
diff --git a/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart b/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart
index da1d4496..2a65383f 100644
--- a/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart
+++ b/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart
@@ -7,6 +7,7 @@
 /// 对应文档地址:https://docs.flutter.io/flutter/material/Checkbox-class.html
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as checkbox;
 
diff --git a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart
index 8ac1aa68..47605144 100644
--- a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart
+++ b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart
@@ -6,6 +6,7 @@
 /// target: CheckboxListTile 的示例
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as CheckboxListTileDemo;
 
diff --git a/lib/widgets/elements/Form/CheckBox/index.dart b/lib/widgets/elements/Form/CheckBox/index.dart
index 5a8d53c0..6c26b47d 100644
--- a/lib/widgets/elements/Form/CheckBox/index.dart
+++ b/lib/widgets/elements/Form/CheckBox/index.dart
@@ -1,6 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import 'Checkbox/index.dart' as Checkbox;
 import 'CheckboxListTile/index.dart' as CheckboxListTile;
 
diff --git a/lib/widgets/elements/Form/Input/TextField/index.dart b/lib/widgets/elements/Form/Input/TextField/index.dart
index b7da1e53..fe5fe77b 100644
--- a/lib/widgets/elements/Form/Input/TextField/index.dart
+++ b/lib/widgets/elements/Form/Input/TextField/index.dart
@@ -6,8 +6,9 @@
 /// target: TextField 的示例
 /// 对应文档地址:https://docs.flutter.io/flutter/material/TextField-class.html
 
-import 'package:flutter_go/components/widget_demo.dart';
 import 'package:flutter/material.dart';
+
+import 'package:flutter_go/components/widget_demo.dart';
 import './text_field_demo.dart';
 
 const String _textFieldText0 = """### **简介**
diff --git a/lib/widgets/elements/Form/Input/index.dart b/lib/widgets/elements/Form/Input/index.dart
index 6ea2928d..b03845c4 100644
--- a/lib/widgets/elements/Form/Input/index.dart
+++ b/lib/widgets/elements/Form/Input/index.dart
@@ -6,9 +6,9 @@
 /// target: Input 的示例
 /// 对应文档地址:https://docs.flutter.io/flutter/material/RaisedButton-class.html
 
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import './TextField/index.dart' as TextField;
 
 List<WidgetPoint> widgetPoints = [
diff --git a/lib/widgets/elements/Form/Radio/Radio/index.dart b/lib/widgets/elements/Form/Radio/Radio/index.dart
index d6a3043a..8ec9dd9f 100644
--- a/lib/widgets/elements/Form/Radio/Radio/index.dart
+++ b/lib/widgets/elements/Form/Radio/Radio/index.dart
@@ -6,6 +6,7 @@
  /// target:  Radio相关
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart';
 
diff --git a/lib/widgets/elements/Form/Radio/RadioListTile/index.dart b/lib/widgets/elements/Form/Radio/RadioListTile/index.dart
index ec0e7b62..603451c7 100644
--- a/lib/widgets/elements/Form/Radio/RadioListTile/index.dart
+++ b/lib/widgets/elements/Form/Radio/RadioListTile/index.dart
@@ -6,8 +6,10 @@
  /// target:  Radio相关
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart';
+
 const content1 = """
 ### **简介**
 > material design 风格的单选按钮附加文字label
diff --git a/lib/widgets/elements/Form/Radio/index.dart b/lib/widgets/elements/Form/Radio/index.dart
index 27825fa6..f987d9ed 100644
--- a/lib/widgets/elements/Form/Radio/index.dart
+++ b/lib/widgets/elements/Form/Radio/index.dart
@@ -1,6 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import 'Radio/index.dart' as Radio;
 import 'RadioListTile/index.dart' as RadioTile;
 
diff --git a/lib/widgets/elements/Form/Slider/Slider/index.dart b/lib/widgets/elements/Form/Slider/Slider/index.dart
index ab08c6f3..21b535af 100644
--- a/lib/widgets/elements/Form/Slider/Slider/index.dart
+++ b/lib/widgets/elements/Form/Slider/Slider/index.dart
@@ -6,6 +6,7 @@
  /// target:  xxx
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import  'demo.dart';
 
diff --git a/lib/widgets/elements/Form/Slider/SliderTheme/index.dart b/lib/widgets/elements/Form/Slider/SliderTheme/index.dart
index cd88e91b..93e0e88f 100644
--- a/lib/widgets/elements/Form/Slider/SliderTheme/index.dart
+++ b/lib/widgets/elements/Form/Slider/SliderTheme/index.dart
@@ -6,6 +6,7 @@
  /// target:  xxx
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import  'demo.dart';
 
diff --git a/lib/widgets/elements/Form/Slider/SliderThemeData/index.dart b/lib/widgets/elements/Form/Slider/SliderThemeData/index.dart
index 667e2f71..682c492f 100644
--- a/lib/widgets/elements/Form/Slider/SliderThemeData/index.dart
+++ b/lib/widgets/elements/Form/Slider/SliderThemeData/index.dart
@@ -6,9 +6,11 @@
  /// target:  xxx
 
 import 'package:flutter/material.dart';
+import 'package:flutter/cupertino.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import  'demo.dart';
-import 'package:flutter/cupertino.dart';
+
 const contentA = '''
 ### **简介**
 > SliderTheme的data修饰属性 **SliderThemeData**
diff --git a/lib/widgets/elements/Form/Slider/index.dart b/lib/widgets/elements/Form/Slider/index.dart
index 4511d653..c715e101 100644
--- a/lib/widgets/elements/Form/Slider/index.dart
+++ b/lib/widgets/elements/Form/Slider/index.dart
@@ -1,5 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
+
+import '../../../../model/widget.dart';
 import "Slider/index.dart" as Slider;
 import "SliderTheme/index.dart" as SliderTheme;
 import "SliderThemeData/index.dart" as SliderThemeData;
diff --git a/lib/widgets/elements/Form/Switch/AnimatedSwitcher/index.dart b/lib/widgets/elements/Form/Switch/AnimatedSwitcher/index.dart
index 305ba1b6..68ce7b11 100644
--- a/lib/widgets/elements/Form/Switch/AnimatedSwitcher/index.dart
+++ b/lib/widgets/elements/Form/Switch/AnimatedSwitcher/index.dart
@@ -6,6 +6,7 @@
  /// target:  xxx
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart';
 
diff --git a/lib/widgets/elements/Form/Switch/Switch/demo.dart b/lib/widgets/elements/Form/Switch/Switch/demo.dart
index 24a2c15a..4896f6e5 100644
--- a/lib/widgets/elements/Form/Switch/Switch/demo.dart
+++ b/lib/widgets/elements/Form/Switch/Switch/demo.dart
@@ -7,8 +7,6 @@
 
 import 'package:flutter/material.dart';
 
-
-
 class SwitchDemo extends StatefulWidget {
   _Demo createState() => _Demo();
 }
diff --git a/lib/widgets/elements/Form/Switch/Switch/index.dart b/lib/widgets/elements/Form/Switch/Switch/index.dart
index 02d386f8..de8ee9b2 100644
--- a/lib/widgets/elements/Form/Switch/Switch/index.dart
+++ b/lib/widgets/elements/Form/Switch/Switch/index.dart
@@ -6,6 +6,7 @@
  /// target:  xxx
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import  'demo.dart';
 
diff --git a/lib/widgets/elements/Form/Switch/SwitchListTile/demo.dart b/lib/widgets/elements/Form/Switch/SwitchListTile/demo.dart
index 98ac7ccf..138312a9 100644
--- a/lib/widgets/elements/Form/Switch/SwitchListTile/demo.dart
+++ b/lib/widgets/elements/Form/Switch/SwitchListTile/demo.dart
@@ -7,8 +7,6 @@
 
 import 'package:flutter/material.dart';
 
-
-
 class SwitchListTileDemo extends StatefulWidget {
   _Demo createState() => _Demo();
 }
diff --git a/lib/widgets/elements/Form/Switch/index.dart b/lib/widgets/elements/Form/Switch/index.dart
index 5529cee0..c6f26d73 100644
--- a/lib/widgets/elements/Form/Switch/index.dart
+++ b/lib/widgets/elements/Form/Switch/index.dart
@@ -1,5 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
+
+import '../../../../model/widget.dart';
 import "Switch/index.dart" as Switch;
 import "SwitchListTile/index.dart" as SwitchListTile;
 import "AnimatedSwitcher/index.dart" as AnimatedSwitcher;
diff --git a/lib/widgets/elements/Form/Text/RichText/index.dart b/lib/widgets/elements/Form/Text/RichText/index.dart
index ab676420..374a793a 100644
--- a/lib/widgets/elements/Form/Text/RichText/index.dart
+++ b/lib/widgets/elements/Form/Text/RichText/index.dart
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import 'package:flutter_go/components/widget_demo.dart';
 import 'package:flutter_go/widgets/elements/Form/Text/RichText/demo.dart';
+
 const String intro = """
 ### **简介**
 
diff --git a/lib/widgets/elements/Form/Text/Text/demo.dart b/lib/widgets/elements/Form/Text/Text/demo.dart
index fc565600..9b015131 100644
--- a/lib/widgets/elements/Form/Text/Text/demo.dart
+++ b/lib/widgets/elements/Form/Text/Text/demo.dart
@@ -5,7 +5,6 @@
  /// email: sanfan.hx@alibaba-inc.com
  /// target:  CupertinoTabBar
 
-
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 
diff --git a/lib/widgets/elements/Form/Text/Text/index.dart b/lib/widgets/elements/Form/Text/Text/index.dart
index 962aeec2..ea6db457 100644
--- a/lib/widgets/elements/Form/Text/Text/index.dart
+++ b/lib/widgets/elements/Form/Text/Text/index.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart';
 
diff --git a/lib/widgets/elements/Form/Text/index.dart b/lib/widgets/elements/Form/Text/index.dart
index 7b8f7a2f..f5b7eb50 100644
--- a/lib/widgets/elements/Form/Text/index.dart
+++ b/lib/widgets/elements/Form/Text/index.dart
@@ -1,7 +1,7 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
- import 'RichText/index.dart' as RichText;
+import '../../../../model/widget.dart';
+import 'RichText/index.dart' as RichText;
 import 'Text/index.dart' as Text;
 
 
diff --git a/lib/widgets/elements/Frame/Align/Align/demo.dart b/lib/widgets/elements/Frame/Align/Align/demo.dart
index efe6371a..98f48584 100644
--- a/lib/widgets/elements/Frame/Align/Align/demo.dart
+++ b/lib/widgets/elements/Frame/Align/Align/demo.dart
@@ -1,12 +1,12 @@
-import 'package:flutter/widgets.dart';
-
- /// Author: xiaojia.dxj
+/// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
  /// LastUpdateTime: 2018/11/22
  /// LastUpdateBy: xj.deng
  /// Describle:Align描述
 
+import 'package:flutter/widgets.dart';
+
 class AlignAlignment extends StatelessWidget {
   final Alignment status;
   final String dec;
diff --git a/lib/widgets/elements/Frame/Align/Align/index.dart b/lib/widgets/elements/Frame/Align/Align/index.dart
index 6f8ff910..610ede29 100644
--- a/lib/widgets/elements/Frame/Align/Align/index.dart
+++ b/lib/widgets/elements/Frame/Align/Align/index.dart
@@ -1,5 +1,6 @@
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Align/index.dart b/lib/widgets/elements/Frame/Align/index.dart
index a45c6ae3..0743b349 100644
--- a/lib/widgets/elements/Frame/Align/index.dart
+++ b/lib/widgets/elements/Frame/Align/index.dart
@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_go/model/widget.dart';
 
+import 'package:flutter_go/model/widget.dart';
 import './Align/index.dart' as Align;
 
 List<WidgetPoint> widgetPoints = [
diff --git a/lib/widgets/elements/Frame/Box/ConstrainedBox/demo.dart b/lib/widgets/elements/Frame/Box/ConstrainedBox/demo.dart
index f7b6d56b..03ceeb89 100644
--- a/lib/widgets/elements/Frame/Box/ConstrainedBox/demo.dart
+++ b/lib/widgets/elements/Frame/Box/ConstrainedBox/demo.dart
@@ -1,12 +1,13 @@
-import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
- /// Author: xiaojia.dxj
+  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
  /// LastUpdateTime: 2018/11/22
  /// LastUpdateBy: xj.deng
  /// Describle:ConstrainedBox描述
+
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
 class ConstrainedBoxCreate extends StatelessWidget {
   final double currWidth;
   final String describe;
diff --git a/lib/widgets/elements/Frame/Box/ConstrainedBox/index.dart b/lib/widgets/elements/Frame/Box/ConstrainedBox/index.dart
index 47c7b465..cd1d06fe 100644
--- a/lib/widgets/elements/Frame/Box/ConstrainedBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/ConstrainedBox/index.dart
@@ -5,6 +5,7 @@
 /// email: xiaojia.dxj@alibaba-inc.com
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/DecoratedBox/demo.dart b/lib/widgets/elements/Frame/Box/DecoratedBox/demo.dart
index 7a224124..bf4bf0fd 100644
--- a/lib/widgets/elements/Frame/Box/DecoratedBox/demo.dart
+++ b/lib/widgets/elements/Frame/Box/DecoratedBox/demo.dart
@@ -1,11 +1,12 @@
-import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
  /// LastUpdateTime: 2018/11/22
  /// LastUpdateBy: xj.deng
+
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
 class DecoratedBoxCreate extends StatelessWidget {
   DecoratedBoxCreate({
     Key key,
diff --git a/lib/widgets/elements/Frame/Box/DecoratedBox/index.dart b/lib/widgets/elements/Frame/Box/DecoratedBox/index.dart
index b557b909..66ab7701 100644
--- a/lib/widgets/elements/Frame/Box/DecoratedBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/DecoratedBox/index.dart
@@ -4,8 +4,8 @@
 ///Last Modified time: 2019-01-08 15:56:49 
 ///email: xiaojia.dxj@alibaba-inc.com
 
-
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/FittedBox/demo.dart b/lib/widgets/elements/Frame/Box/FittedBox/demo.dart
index 017bd56d..084f8fe9 100644
--- a/lib/widgets/elements/Frame/Box/FittedBox/demo.dart
+++ b/lib/widgets/elements/Frame/Box/FittedBox/demo.dart
@@ -1,6 +1,3 @@
-import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
  /// Author: xiaojia.dxj
  /// Date: 2018/12/2
  /// Email: xiaojia.dxj@alibaba-inc.com
@@ -8,6 +5,9 @@ import 'package:flutter/widgets.dart';
  /// LastUpdateBy: xj.deng
  /// Describle:FittedBox
 
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
 class FittedBoxDefault extends StatelessWidget {
   final BoxFit curfit;
   final String dec;
diff --git a/lib/widgets/elements/Frame/Box/FittedBox/index.dart b/lib/widgets/elements/Frame/Box/FittedBox/index.dart
index 3c6c086e..74d1e25f 100644
--- a/lib/widgets/elements/Frame/Box/FittedBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/FittedBox/index.dart
@@ -6,6 +6,7 @@
  /// LastUpdateBy: xj.deng
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/LimitedBox/index.dart b/lib/widgets/elements/Frame/Box/LimitedBox/index.dart
index e0e0ddee..30dc8321 100644
--- a/lib/widgets/elements/Frame/Box/LimitedBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/LimitedBox/index.dart
@@ -6,6 +6,7 @@
  /// Last Modified time: 2019-01-08 15:56:35 
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/OverflowBox/index.dart b/lib/widgets/elements/Frame/Box/OverflowBox/index.dart
index 81adf6ed..d9a26a75 100644
--- a/lib/widgets/elements/Frame/Box/OverflowBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/OverflowBox/index.dart
@@ -6,6 +6,7 @@
  /// Last Modified time: 2019-01-08 15:56:31 
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as overflowBox;
 
diff --git a/lib/widgets/elements/Frame/Box/RotatedBox/index.dart b/lib/widgets/elements/Frame/Box/RotatedBox/index.dart
index 278f9f95..c87107d4 100644
--- a/lib/widgets/elements/Frame/Box/RotatedBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/RotatedBox/index.dart
@@ -6,6 +6,7 @@
  /// Last Modified time: 2019-01-08 15:56:13 
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import 'demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/SizeBox/index.dart b/lib/widgets/elements/Frame/Box/SizeBox/index.dart
index 2734d5bf..6ae1f9db 100644
--- a/lib/widgets/elements/Frame/Box/SizeBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/SizeBox/index.dart
@@ -6,6 +6,7 @@
  /// Last Modified time: 2019-01-08 15:55:46 
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as sizeBox;
 
diff --git a/lib/widgets/elements/Frame/Box/SizedOverflowBox/index.dart b/lib/widgets/elements/Frame/Box/SizedOverflowBox/index.dart
index f48fe9d4..2333db8c 100644
--- a/lib/widgets/elements/Frame/Box/SizedOverflowBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/SizedOverflowBox/index.dart
@@ -6,6 +6,7 @@
  /// Last Modified time: 2019-01-08 15:55:31 
  
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/UnconstrainedBox/index.dart b/lib/widgets/elements/Frame/Box/UnconstrainedBox/index.dart
index 79eef487..b37fd267 100644
--- a/lib/widgets/elements/Frame/Box/UnconstrainedBox/index.dart
+++ b/lib/widgets/elements/Frame/Box/UnconstrainedBox/index.dart
@@ -6,6 +6,7 @@
  /// Last Modified time: 2019-01-08 16:00:14
  
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Box/index.dart b/lib/widgets/elements/Frame/Box/index.dart
index 48399ea2..f7984ead 100644
--- a/lib/widgets/elements/Frame/Box/index.dart
+++ b/lib/widgets/elements/Frame/Box/index.dart
@@ -1,6 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import 'ConstrainedBox/index.dart' as ConstrainedBox;
 import 'DecoratedBox/index.dart' as DecoratedBox;
 import 'SizeBox/index.dart' as SizeBox;
diff --git a/lib/widgets/elements/Frame/Expanded/Expanded/index.dart b/lib/widgets/elements/Frame/Expanded/Expanded/index.dart
index 8500a80f..f7d662b5 100644
--- a/lib/widgets/elements/Frame/Expanded/Expanded/index.dart
+++ b/lib/widgets/elements/Frame/Expanded/Expanded/index.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './expanded_demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Layout/Center/index.dart b/lib/widgets/elements/Frame/Layout/Center/index.dart
index 0baad48b..42c2bc9c 100644
--- a/lib/widgets/elements/Frame/Layout/Center/index.dart
+++ b/lib/widgets/elements/Frame/Layout/Center/index.dart
@@ -5,6 +5,7 @@
  /// Last Modified time: 2019-01-08 16:00:14
  
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Layout/Column/demo.dart b/lib/widgets/elements/Frame/Layout/Column/demo.dart
index 2cb01e2f..e1c5a28e 100644
--- a/lib/widgets/elements/Frame/Layout/Column/demo.dart
+++ b/lib/widgets/elements/Frame/Layout/Column/demo.dart
@@ -1,5 +1,3 @@
-import 'package:flutter/widgets.dart';
-
  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
@@ -7,6 +5,8 @@ import 'package:flutter/widgets.dart';
  /// LastUpdateBy: xj.deng
  /// Describle:Colum describe
 
+import 'package:flutter/widgets.dart';
+
 class ColumnDefault extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
diff --git a/lib/widgets/elements/Frame/Layout/Column/index.dart b/lib/widgets/elements/Frame/Layout/Column/index.dart
index 3f9a3db2..34d73786 100644
--- a/lib/widgets/elements/Frame/Layout/Column/index.dart
+++ b/lib/widgets/elements/Frame/Layout/Column/index.dart
@@ -5,8 +5,8 @@
  /// LastUpdateBy: xj.deng
  /// Describle:Colum describe
 
-
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Layout/Container/demo.dart b/lib/widgets/elements/Frame/Layout/Container/demo.dart
index bd47a064..c09965c8 100644
--- a/lib/widgets/elements/Frame/Layout/Container/demo.dart
+++ b/lib/widgets/elements/Frame/Layout/Container/demo.dart
@@ -1,12 +1,13 @@
-import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
  /// LastUpdateTime: 2018/11/22
  /// LastUpdateBy: xj.deng
  /// Describle:Colum describe
+
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
 class ContainerDefault extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
diff --git a/lib/widgets/elements/Frame/Layout/Container/index.dart b/lib/widgets/elements/Frame/Layout/Container/index.dart
index 7d94dbad..86848cb7 100644
--- a/lib/widgets/elements/Frame/Layout/Container/index.dart
+++ b/lib/widgets/elements/Frame/Layout/Container/index.dart
@@ -6,6 +6,7 @@
  /// Describle:Colum describe
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Layout/Row/demo.dart b/lib/widgets/elements/Frame/Layout/Row/demo.dart
index ce53cdb2..2c372d83 100644
--- a/lib/widgets/elements/Frame/Layout/Row/demo.dart
+++ b/lib/widgets/elements/Frame/Layout/Row/demo.dart
@@ -1,11 +1,11 @@
-import 'package:flutter/widgets.dart';
-
  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
  /// LastUpdateTime: 2018/11/22
  /// LastUpdateBy: xj.deng
  /// Describle:Row
+
+import 'package:flutter/widgets.dart';
  
 class RowMainAxisAlignment extends StatelessWidget {
   //> mainAxisAlignment属性
diff --git a/lib/widgets/elements/Frame/Layout/Row/index.dart b/lib/widgets/elements/Frame/Layout/Row/index.dart
index f1c6e0d3..fa8e7b34 100644
--- a/lib/widgets/elements/Frame/Layout/Row/index.dart
+++ b/lib/widgets/elements/Frame/Layout/Row/index.dart
@@ -6,6 +6,7 @@
  /// Describle:Row
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Layout/index.dart b/lib/widgets/elements/Frame/Layout/index.dart
index 67105576..b936fa00 100644
--- a/lib/widgets/elements/Frame/Layout/index.dart
+++ b/lib/widgets/elements/Frame/Layout/index.dart
@@ -1,6 +1,6 @@
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import 'Row/index.dart' as Row;
 import 'Column/index.dart' as Column;
 import 'Container/index.dart' as Container;
diff --git a/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart b/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart
index dd42bce6..623bca26 100644
--- a/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-28 20:44:13 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2019-01-14 17:02:20
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './animatedPadding_demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Spacing/Padding/index.dart b/lib/widgets/elements/Frame/Spacing/Padding/index.dart
index 8cf1899c..82233cd7 100644
--- a/lib/widgets/elements/Frame/Spacing/Padding/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/Padding/index.dart
@@ -2,7 +2,9 @@
  /// Date: 2018-11-28 20:25:24 
  /// Last Modified by: 一凨
  /// Last Modified time: 2019-01-14 17:01:55
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './padding_demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart b/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
index c377ffca..6721d366 100644
--- a/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
+++ b/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
@@ -1,10 +1,10 @@
-import 'package:flutter/material.dart';
-////
  /// @Author: 一凨 
  /// @Date: 2018-11-28 20:20:04 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2019-01-14 16:30:16
 
+import 'package:flutter/material.dart';
+
 class PaddingDemo extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
diff --git a/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart b/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart
index ad1ecfd5..e836f35c 100644
--- a/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-28 20:26:16 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2019-01-14 17:06:36
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './sliverpadding_demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Spacing/SliverPadding/sliverpadding_demo.dart b/lib/widgets/elements/Frame/Spacing/SliverPadding/sliverpadding_demo.dart
index 5a17984f..db0fe909 100644
--- a/lib/widgets/elements/Frame/Spacing/SliverPadding/sliverpadding_demo.dart
+++ b/lib/widgets/elements/Frame/Spacing/SliverPadding/sliverpadding_demo.dart
@@ -2,9 +2,10 @@
  /// @Date: 2018-11-28 20:36:17 
  /// @Last Modified by:   一凨 
  /// @Last Modified time: 2018-11-28 20:36:17 
-import 'package:flutter/material.dart';
-import 'package:flutter_go/widgets/components/Scroll/CustomScrollView/product_list.dart';
 
+import 'package:flutter/material.dart';
+
+import 'package:flutter_go/widgets/components/Scroll/CustomScrollView/product_list.dart';
 
 class SliverPaddingDemo extends StatelessWidget {
 
diff --git a/lib/widgets/elements/Frame/Spacing/index.dart b/lib/widgets/elements/Frame/Spacing/index.dart
index e883a01c..c3d97c1d 100644
--- a/lib/widgets/elements/Frame/Spacing/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/index.dart
@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
-import '../../../../model/widget.dart';
 
+import '../../../../model/widget.dart';
 import './Padding/index.dart' as Padding;
 import './SliverPadding/index.dart' as SliverPadding;
 import './AnimatedPadding/index.dart' as AnimatedPadding;
diff --git a/lib/widgets/elements/Frame/Stack/IndexedStack/demo.dart b/lib/widgets/elements/Frame/Stack/IndexedStack/demo.dart
index 6fe0a2f7..bfc83c8c 100644
--- a/lib/widgets/elements/Frame/Stack/IndexedStack/demo.dart
+++ b/lib/widgets/elements/Frame/Stack/IndexedStack/demo.dart
@@ -1,6 +1,3 @@
-import 'package:flutter/material.dart';
-
-
  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
@@ -8,6 +5,8 @@ import 'package:flutter/material.dart';
  /// LastUpdateBy: xj.deng
  /// Describle:indexedStack
 
+import 'package:flutter/material.dart';
+
 class StackDefault extends StatelessWidget {
   final int currIndex;
 
diff --git a/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart b/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart
index 0e47bff4..da85006c 100644
--- a/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart
+++ b/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart
@@ -5,6 +5,7 @@
  /// Last Modified time: 2019-01-08 16:00:14
  
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Stack/Stack/demo.dart b/lib/widgets/elements/Frame/Stack/Stack/demo.dart
index caf3b8a2..b1a72425 100644
--- a/lib/widgets/elements/Frame/Stack/Stack/demo.dart
+++ b/lib/widgets/elements/Frame/Stack/Stack/demo.dart
@@ -1,5 +1,3 @@
-import 'package:flutter/material.dart';
-
  /// Author: xiaojia.dxj
  /// Date: 2018/11/22
  /// Email: xiaojia.dxj@alibaba-inc.com
@@ -7,6 +5,8 @@ import 'package:flutter/material.dart';
  /// LastUpdateBy: xj.deng
  /// Describle:stack描述
  
+import 'package:flutter/material.dart';
+
 class StackDefault extends StatelessWidget {
   const StackDefault() : super();
 
diff --git a/lib/widgets/elements/Frame/Stack/Stack/index.dart b/lib/widgets/elements/Frame/Stack/Stack/index.dart
index 66c61516..6787abd6 100644
--- a/lib/widgets/elements/Frame/Stack/Stack/index.dart
+++ b/lib/widgets/elements/Frame/Stack/Stack/index.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Stack/index.dart b/lib/widgets/elements/Frame/Stack/index.dart
index e24bf8b8..7ee38c94 100644
--- a/lib/widgets/elements/Frame/Stack/index.dart
+++ b/lib/widgets/elements/Frame/Stack/index.dart
@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_go/model/widget.dart';
 
+import 'package:flutter_go/model/widget.dart';
 import './Stack/index.dart' as Stack;
 import './IndexedStack/index.dart' as IndexedStack;
 
diff --git a/lib/widgets/elements/Frame/Table/Table/index.dart b/lib/widgets/elements/Frame/Table/Table/index.dart
index ac961f07..7706c69d 100644
--- a/lib/widgets/elements/Frame/Table/Table/index.dart
+++ b/lib/widgets/elements/Frame/Table/Table/index.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './table_demo.dart';
 
diff --git a/lib/widgets/elements/Frame/Table/Table/table_demo.dart b/lib/widgets/elements/Frame/Table/Table/table_demo.dart
index e406b93e..9d81d71e 100644
--- a/lib/widgets/elements/Frame/Table/Table/table_demo.dart
+++ b/lib/widgets/elements/Frame/Table/Table/table_demo.dart
@@ -2,6 +2,7 @@
  /// @Date: 2018-11-28 20:52:35 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-11-28 20:59:50
+
 import 'package:flutter/material.dart';
 
 class TableDemo extends StatelessWidget {
diff --git a/lib/widgets/elements/Frame/Table/index.dart b/lib/widgets/elements/Frame/Table/index.dart
index 007861f9..4d35e127 100644
--- a/lib/widgets/elements/Frame/Table/index.dart
+++ b/lib/widgets/elements/Frame/Table/index.dart
@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
-import '../../../../model/widget.dart';
 
+import '../../../../model/widget.dart';
 import './Table/index.dart' as Table;
 
 List<WidgetPoint> widgetPoints = [
diff --git a/lib/widgets/elements/Frame/index.dart b/lib/widgets/elements/Frame/index.dart
index 5ebd4a55..25348967 100644
--- a/lib/widgets/elements/Frame/index.dart
+++ b/lib/widgets/elements/Frame/index.dart
@@ -1,7 +1,5 @@
 import 'Spacing/index.dart' as Spacing;
 import 'Expanded/index.dart' as Expanded;
-
-// import 'Axis/index.dart' as Axis;
 import 'Table/index.dart' as Table;
 import 'Align/index.dart' as Align;
 import 'Layout/index.dart' as Layout;
diff --git a/lib/widgets/elements/Media/Canvas/Canvas/demo.dart b/lib/widgets/elements/Media/Canvas/Canvas/demo.dart
index e6cd55d4..eee36df0 100644
--- a/lib/widgets/elements/Media/Canvas/Canvas/demo.dart
+++ b/lib/widgets/elements/Media/Canvas/Canvas/demo.dart
@@ -5,12 +5,13 @@
 /// email: zhu.yan@alibaba-inc.com
 /// target: Canvas 的示例
 
-import 'package:flutter/material.dart';
 import 'dart:ui';
 import 'dart:ui' as ui;
 import 'dart:typed_data';
 import 'dart:math';
 import 'dart:async';
+
+import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' show rootBundle;
 
 CustomPaint graph;
diff --git a/lib/widgets/elements/Media/Canvas/CircleProgressBarPainter/demo.dart b/lib/widgets/elements/Media/Canvas/CircleProgressBarPainter/demo.dart
index 8bdcf08b..432e4f16 100644
--- a/lib/widgets/elements/Media/Canvas/CircleProgressBarPainter/demo.dart
+++ b/lib/widgets/elements/Media/Canvas/CircleProgressBarPainter/demo.dart
@@ -6,6 +6,7 @@
 /// target: CircleProgressBarPainter 的示例
 
 import 'dart:ui';
+
 import 'package:flutter/material.dart';
 
 class CustomViewPage extends StatefulWidget {
diff --git a/lib/widgets/elements/Media/Canvas/PainterPath/demo.dart b/lib/widgets/elements/Media/Canvas/PainterPath/demo.dart
index b35f98ec..3c02dd73 100644
--- a/lib/widgets/elements/Media/Canvas/PainterPath/demo.dart
+++ b/lib/widgets/elements/Media/Canvas/PainterPath/demo.dart
@@ -6,7 +6,9 @@
 /// target: PainterPath 的示例
 
 import 'dart:ui';
+
 import 'package:flutter/material.dart';
+
 CustomPaint graph;
 
 class CustomViewPage extends StatefulWidget {
diff --git a/lib/widgets/elements/Media/Canvas/PainterSketch/index.dart b/lib/widgets/elements/Media/Canvas/PainterSketch/index.dart
index fa113c4f..1288eb9f 100644
--- a/lib/widgets/elements/Media/Canvas/PainterSketch/index.dart
+++ b/lib/widgets/elements/Media/Canvas/PainterSketch/index.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './demo.dart' as demoBoxs;
 
diff --git a/lib/widgets/elements/Media/Image/AssetImage/index.dart b/lib/widgets/elements/Media/Image/AssetImage/index.dart
index 339e57d8..b33a0db6 100644
--- a/lib/widgets/elements/Media/Image/AssetImage/index.dart
+++ b/lib/widgets/elements/Media/Image/AssetImage/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by:   一凨 
  /// @Last Modified time: 2018-11-16 15:09:12 
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './assetImage_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/DecorationImage/index.dart b/lib/widgets/elements/Media/Image/DecorationImage/index.dart
index 4b0f5970..d2f638e5 100644
--- a/lib/widgets/elements/Media/Image/DecorationImage/index.dart
+++ b/lib/widgets/elements/Media/Image/DecorationImage/index.dart
@@ -2,11 +2,12 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-11-16 15:12:39
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './decorationImage_demo.dart';
 
-
 const contentText0 = '''
 ### **简介**
 
diff --git a/lib/widgets/elements/Media/Image/DecorationImagePainter/index.dart b/lib/widgets/elements/Media/Image/DecorationImagePainter/index.dart
index d9e60243..4550381a 100644
--- a/lib/widgets/elements/Media/Image/DecorationImagePainter/index.dart
+++ b/lib/widgets/elements/Media/Image/DecorationImagePainter/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by:   一凨 
  /// @Last Modified time: 2018-11-16 15:09:12 
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 
 const contentText0 = '''
diff --git a/lib/widgets/elements/Media/Image/ExactAssetImage/index.dart b/lib/widgets/elements/Media/Image/ExactAssetImage/index.dart
index 50ca9a49..9b7a5c36 100644
--- a/lib/widgets/elements/Media/Image/ExactAssetImage/index.dart
+++ b/lib/widgets/elements/Media/Image/ExactAssetImage/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-12-08 13:29:34 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 14:12:21
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './exact_asset_image_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/FadeInImage/fade_in_image_demo.dart b/lib/widgets/elements/Media/Image/FadeInImage/fade_in_image_demo.dart
index c6d0bec7..e0eccc6e 100644
--- a/lib/widgets/elements/Media/Image/FadeInImage/fade_in_image_demo.dart
+++ b/lib/widgets/elements/Media/Image/FadeInImage/fade_in_image_demo.dart
@@ -2,6 +2,7 @@
  /// @Date: 2018-12-08 16:08:41 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 16:22:50
+
 import 'package:flutter/material.dart';
 
 class FadeInImageDemo extends StatelessWidget {
diff --git a/lib/widgets/elements/Media/Image/FadeInImage/index.dart b/lib/widgets/elements/Media/Image/FadeInImage/index.dart
index 885367de..ffcf1d16 100644
--- a/lib/widgets/elements/Media/Image/FadeInImage/index.dart
+++ b/lib/widgets/elements/Media/Image/FadeInImage/index.dart
@@ -4,6 +4,7 @@
  /// @Last Modified time: 2018-12-08 16:10:55
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './fade_in_image_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/FileImage/file_image_demo.dart b/lib/widgets/elements/Media/Image/FileImage/file_image_demo.dart
index 2869f08b..f0638e39 100644
--- a/lib/widgets/elements/Media/Image/FileImage/file_image_demo.dart
+++ b/lib/widgets/elements/Media/Image/FileImage/file_image_demo.dart
@@ -4,10 +4,10 @@
  /// @Last Modified time: 2018-12-08 17:18:39
 
 import 'dart:async';
+import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
-import 'dart:io';
 
 class FileImageDemo extends StatefulWidget {
   @override
diff --git a/lib/widgets/elements/Media/Image/FileImage/index.dart b/lib/widgets/elements/Media/Image/FileImage/index.dart
index 524e0006..ff20b410 100644
--- a/lib/widgets/elements/Media/Image/FileImage/index.dart
+++ b/lib/widgets/elements/Media/Image/FileImage/index.dart
@@ -4,6 +4,7 @@
  /// @Last Modified time: 2018-12-08 19:24:33
 
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './file_image_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/Image/demo.dart b/lib/widgets/elements/Media/Image/Image/demo.dart
index badf255c..64a053b7 100644
--- a/lib/widgets/elements/Media/Image/Image/demo.dart
+++ b/lib/widgets/elements/Media/Image/Image/demo.dart
@@ -2,6 +2,7 @@
  /// @Date: 2019-01-07 15:33:49 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2019-01-07 15:45:29
+
 import 'package:flutter/material.dart';
 
 class ImageDemo extends StatelessWidget {
diff --git a/lib/widgets/elements/Media/Image/Image/index.dart b/lib/widgets/elements/Media/Image/Image/index.dart
index f130321d..c0f13f70 100644
--- a/lib/widgets/elements/Media/Image/Image/index.dart
+++ b/lib/widgets/elements/Media/Image/Image/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2019-01-07 15:33:42 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2019-01-07 15:42:54
+
 import 'package:flutter/material.dart';
+
 import './demo.dart';
 import 'package:flutter_go/components/widget_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/MemoryImage/index.dart b/lib/widgets/elements/Media/Image/MemoryImage/index.dart
index da82018d..b89aefbd 100644
--- a/lib/widgets/elements/Media/Image/MemoryImage/index.dart
+++ b/lib/widgets/elements/Media/Image/MemoryImage/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 20:48:28
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './memory_image_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/NetworkImage/index.dart b/lib/widgets/elements/Media/Image/NetworkImage/index.dart
index a52b54fa..b3e4e72e 100644
--- a/lib/widgets/elements/Media/Image/NetworkImage/index.dart
+++ b/lib/widgets/elements/Media/Image/NetworkImage/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 17:32:57
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 import './network_image_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/NetworkImage/network_image_demo.dart b/lib/widgets/elements/Media/Image/NetworkImage/network_image_demo.dart
index d65b9906..42f001c7 100644
--- a/lib/widgets/elements/Media/Image/NetworkImage/network_image_demo.dart
+++ b/lib/widgets/elements/Media/Image/NetworkImage/network_image_demo.dart
@@ -2,6 +2,7 @@
  /// @Date: 2018-12-08 17:20:37 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 17:35:36
+
 import 'package:flutter/material.dart';
 
 class NetworkImageDemo extends StatelessWidget {
diff --git a/lib/widgets/elements/Media/Image/RawImage/index.dart b/lib/widgets/elements/Media/Image/RawImage/index.dart
index e0050163..a96e002a 100644
--- a/lib/widgets/elements/Media/Image/RawImage/index.dart
+++ b/lib/widgets/elements/Media/Image/RawImage/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 20:11:44
+
 import 'package:flutter/material.dart';
+
 import './raw_image_demo.dart';
 import 'package:flutter_go/components/widget_demo.dart';
 
diff --git a/lib/widgets/elements/Media/Image/RawImage/raw_image_demo.dart b/lib/widgets/elements/Media/Image/RawImage/raw_image_demo.dart
index 65cb2a83..3aa1caba 100644
--- a/lib/widgets/elements/Media/Image/RawImage/raw_image_demo.dart
+++ b/lib/widgets/elements/Media/Image/RawImage/raw_image_demo.dart
@@ -2,12 +2,13 @@
  /// @Date: 2018-12-08 17:47:25 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 20:09:32
+
 import 'dart:async';
+import 'dart:typed_data';
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' show rootBundle;
-import 'dart:typed_data';
-import 'dart:ui' as ui;
 
 class RawImageDemo extends StatefulWidget {
   _RawImageDemoState createState() => _RawImageDemoState();
diff --git a/lib/widgets/elements/Media/Image/index.dart b/lib/widgets/elements/Media/Image/index.dart
index 728d7157..3ff15ba3 100644
--- a/lib/widgets/elements/Media/Image/index.dart
+++ b/lib/widgets/elements/Media/Image/index.dart
@@ -3,9 +3,9 @@
 /// @Last Modified by: 一凨
 /// @Last Modified time: 2019-01-07 15:37:07
 
-import '../../../../model/widget.dart';
 import "package:flutter/material.dart";
 
+import '../../../../model/widget.dart';
 import './AssetImage/index.dart' as AssetImage;
 import './DecorationImage/index.dart' as DecorationImage;
 import './DecorationImagePainter/index.dart' as DecorationImagePainter;
diff --git a/lib/widgets/elements/Media/Image/paintImage/index.dart b/lib/widgets/elements/Media/Image/paintImage/index.dart
index 91b17560..38721433 100644
--- a/lib/widgets/elements/Media/Image/paintImage/index.dart
+++ b/lib/widgets/elements/Media/Image/paintImage/index.dart
@@ -2,7 +2,9 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 20:19:01
+
 import 'package:flutter/material.dart';
+
 import 'package:flutter_go/components/widget_demo.dart';
 
 const String contentText0 = '''
diff --git a/lib/widgets/elements/Media/Image/paintImage/paint_image_demo.dart b/lib/widgets/elements/Media/Image/paintImage/paint_image_demo.dart
index ff205850..24347bcc 100644
--- a/lib/widgets/elements/Media/Image/paintImage/paint_image_demo.dart
+++ b/lib/widgets/elements/Media/Image/paintImage/paint_image_demo.dart
@@ -2,6 +2,7 @@
  /// @Date: 2018-12-08 17:46:57 
  /// @Last Modified by:   一凨 
  /// @Last Modified time: 2018-12-08 17:46:57 
+
 import 'package:flutter/material.dart';
 
 class PaintImageDemo extends StatelessWidget {
diff --git a/lib/widgets/elements/Media/Image/precacheImage/index.dart b/lib/widgets/elements/Media/Image/precacheImage/index.dart
index 86e41083..8e586ff9 100644
--- a/lib/widgets/elements/Media/Image/precacheImage/index.dart
+++ b/lib/widgets/elements/Media/Image/precacheImage/index.dart
@@ -2,6 +2,7 @@
  /// @Date: 2018-11-16 15:09:12 
  /// @Last Modified by:   一凨 
  /// @Last Modified time: 2018-11-16 15:09:12 
+
 import 'package:flutter/material.dart';
 
 class Demo extends StatefulWidget {
diff --git a/lib/widgets/elements/Media/Image/precacheImage/precache_image_demo.dart b/lib/widgets/elements/Media/Image/precacheImage/precache_image_demo.dart
index be2c3ba5..4464e624 100644
--- a/lib/widgets/elements/Media/Image/precacheImage/precache_image_demo.dart
+++ b/lib/widgets/elements/Media/Image/precacheImage/precache_image_demo.dart
@@ -2,6 +2,7 @@
  /// @Date: 2018-12-08 17:47:57 
  /// @Last Modified by: 一凨
  /// @Last Modified time: 2018-12-08 17:48:20
+
 import 'package:flutter/material.dart';
 
 class PrecacheImageDemo extends StatelessWidget {